Home / 61,440.61-84,771.07-34,581.55

Finding the Fourth Proportional to 61,440.61, 84,771.07 and 34,581.55

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Solution

The fourth proportional to 61,440.61, 84,771.07 and 34,581.55 is: 47,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.61 : 84,771.07 = 34,581.55 : x
  2. Step 2: Convert to fraction form
    61,440.61/84,771.07 = 34,581.55/x
  3. Step 3: Cross multiply
    61,440.61x = 84,771.07 × 34,581.55
  4. Step 4: Simplify right side
    61,440.61x = 2,931,514,995.76
  5. Step 5: Solve for x
    x = 2,931,514,995.76/61,440.61
  6. Step 6: Final answer
    x = 47,712.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.